Desk Extension Bracket: The desk extension bracket is designed to clamp the keyboard tray and folds away after use. Made of high-quality materials and is durable. Its design is simple, but it is very practical to use and gives you a good experience. No drilling required, just clamp it onto the desk and tighten it, it will not damage the desk. 90-degree folding and storage, does not take up space, has low noise, strong load-bearing capacity, and will not fall off. One-button folding, convenient to hold, easy to place and not break. Adjustable screw design, the clamp can be installed on countertops of different thicknesses. Simple structure, easy to use, not easy to deform, you can use it with confidence. Dimensions: 19.00X8.40X2.50 cm/7.47X3.30X0.98 inches Thickness range: 0.5-7.5cm Color: black Material: cold rolled steel Package Contents: 1 pair of brackets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.